EP3137012A1 - Dental implant - Google Patents

Dental implant

Info

Publication number
EP3137012A1
EP3137012A1 EP15715135.8A EP15715135A EP3137012A1 EP 3137012 A1 EP3137012 A1 EP 3137012A1 EP 15715135 A EP15715135 A EP 15715135A EP 3137012 A1 EP3137012 A1 EP 3137012A1
Authority
EP
European Patent Office
Prior art keywords
dental implant
dental
implant
jawbone
implant according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15715135.8A
Other languages
German (de)
French (fr)
Other versions
EP3137012B1 (en
Inventor
Vít Peceny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3137012A1 publication Critical patent/EP3137012A1/en
Application granted granted Critical
Publication of EP3137012B1 publication Critical patent/EP3137012B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0037—Details of the shape
    • A61C8/0043—Details of the shape having more than one root

Definitions

  • the invention relates to a dental implant, particularly to a dental implant arranged in a jawbone of the oral cavity.
  • implants which have a smooth connecting surface with the jawbone.
  • This sort of implant is known, for example, from the patent EP 2328507.
  • the described dental implant has its head towards the tooth substitute and/or the means of dental treatment technology, and its foot threaded so as to screw into the jawbone.
  • This dental implant is completely or nearly completely made of zirconium dioxide (Zr02), and the foot is threaded in the direction from its head portion towards the end opposite the head and is made to be conical and tapered.
  • Zr02 zirconium dioxide
  • the thread has a completely or sectionally threaded edge which is made as a saw-toothed thread with the first cantilever surface not extending radially, specifically linearly or convexly diagonally to the radial direction, and a second radially extending cantilever surface for each saw-tooth, where the first cantilever surface does not extend radially and is always oriented or directed in the screwing direction of each thread and the second cantilever surface is oriented or directed against the screwing direction of each thread.
  • Implant designs which have a contact surface with the jawbone bearing various projections.
  • a dental implant of bioactive titanium is known from the utility model CZ 11766 U.
  • This dental implant contains a prism with parallel or bevelled opposite sides adjacent to the body tissue with the opposite sides of the prism fitted with at least two projections and with a threaded hole in the side wall of the prism.
  • a dental implant for insertion into a supporting structure, specifically into the jawbone is also known from EP 1982673 to fasten the active component, in particular dental crowns with implants containing an insert.
  • the implant is fitted with an interior recess, into which an insert can be set and this insert fitted into the interior recess and so pressing it into the supporting structure's retainers which are set into the wa!ls of the implant, and wherein the interior recess is formed to be tapered.
  • the insert is designed as conical and passes through an axial bore into which a lengthwise screw can be inserted for attaching the active component element, or insert.
  • a denta! implant which is to be screwed with its parabolic main body featuring a self-tapping thread arrangement or even a multipoint arrangement fitted with at least two cutting notches, with a parabolic base thread and the upper portion positioned crowning the thread construction, with an opening shaped to accommodate screwing aids, and with a thread to make fast the fixing of dental crowns, bridges and such, as well as convex intraosseous parts, and optionally with a tapering section or a cap, wherein the sides of the thread are fitted with side threading at an angle of 20°.
  • EP 1924212 a two-piece dental implant is known which has a distal implant part and a proximal implant part which, when coupled together at the join of the connection and at the place of the connection features fastening areas facing the surface, with a sealing element provided between the facing surfaces of the distal portion of the implant and the proximal portion of the implant, which faces the surfaces that in the final coupled state of the two implant parts, lie tightly with their surfaces facing each other.
  • the implant is equipped with mutually facing stopping surfaces, which touch when completely assembled and which limit the degree of approximation of the two surfaces of the implant parts facing each other, between which a sealing element is fitted, so that the stopping surfaces define the minimum distance of both facing surfaces of the implant components, thus bridging the sealing element, when the sealing element at least partly consists of some elastic material.
  • the exterior surface of the sealing element forms the exterior surface of the dental implant.
  • a Dental implant comprising a contact surface with the jawbone in the form of a screw is also known from EP 460960.
  • Ail known and above noted dental implants or implant systems have a number of disadvantages, among which include, for example, that all require relatively complicated-and unpleasant for the patient- preparation of a hole to receive the implant which is then pushed, pulled through, or screwed into the jawbone.
  • the preliminary preparation consists of drilling a pilot hole with the removal of a relatively large volume of bone.
  • Another disadvantage of the current state-of-the-art is that new bone formation occurs only at the surface of the implant.
  • the aim of the invention is the design of a dental implant, which will require minimal preliminary preparation of the opening for its insertion, which will save the patient much pain and suffering, and which will ensure a precise and stable anchoring of prosthetic teeth in the jawbone.
  • a dental implant specifically a dental implant comprising a body having a profiled surface to receive a dental extension fixed in a jawbone of the oral cavity, according to the invention whose principle consists in that it comprises at least one projection attached to its body.
  • the projection rests in wall of the hole resulting from a tooth extraction or from pre-drilling of the jawbone, where the aperture is simply cleaned and only minimally adapted to receive the dental implant.
  • the dental implant comprises at least two projections attached to its body.
  • its body also includes a base portion for receiving a dental extension.
  • the projection may be attached to any part of its body. For practical and production reasons it is advantageous if the projection is attached to the bottom part of the body base. This arrangement provides the possibility for easy application into the aperture in the jawbone.
  • the projection has an anchoring means arranged at its end, while in the most advantageous variant, the anchoring means is of spherical shape.
  • the anchoring means improves the fixation properties and reduces the risk of tissue injury.
  • the projection has shape memory, and to further advantage is designed as a spring.
  • the implant is made of a biocompatible materia! which is preferably titanium and / or an alloy thereof.
  • the body of the dental implant comprises an aperture.
  • Arranging an aperture in the dental implant enables the dentist intervention in case of any problems that may arise in the hole made in the jawbone, makes possible the application of augmentation material into the hole in the jawbone, and makes it possible for new bone formations to grow into the bottom of the base of the body of the implant.
  • the part for receiving the dental extension has a bracket arranged at its base, which enables the exchange of a dental extension to the implant during application, and its replacement in future.
  • the advantage of the dental implant according to the invention is that it minimises the requirements for shape modification of the hole in the jawbone to receive it.
  • the dental implant according to the invention easily adapts to the surrounding terrain. This closely relates to great savings of time and limited patient suffering associated with the large apertures for receiving dental implants according to known state-of-the-art.
  • the dental implant, according to the invention is furthermore very well adapted to internal stress in the body of the jaw during chewing so that no undesirable micro-fractures occur.
  • the biggest advantage is that the dental implant allows for new bone formation throughout the lesion between the projections of the implant even in the hollow bottom of the upper part.
  • the projections also increase surface area for osseointegration of the implant.
  • the application of a dental implant according to the invention also significantly reduces demands on the amount of instrumentation.
  • Fig. 1 shows a view of a dental implant with a complete body
  • Fig. 2 shows a detailed view of a dental implant with a body which is arranged with an aperture
  • Fig. 3 shows a detailed view of a dental implant using a bracket.
  • the dental implant (Fig. 1) is mounted in the jawbone 9 of the oral cavity, and comprises a body 2 with a profiled surface 3 for receiving a dental extension 7.
  • the body 2 comprises a base 5 and a part 6 for receiving a dental extension 7.
  • the projections 4 may be an integral part of the body 2.
  • the projections 4 have, arranged at their ends, anchoring means 10 which have a spherical shape.
  • the projections 4 are made to be resilient, while having shape memory.
  • the projections 4 and the body 2 are made of a biocompatible material, which is titanium and/or a titanium alloy.
  • the dental implant 1 (Fig. 2) is mounted in the jawbone 9 of the oral cavity, and comprises a body 2 with a profiled surface 3 for receiving a dental extension 7.
  • the body 2 comprises a base 5 and a part 6 for receiving a dental extension 7 through which passes an approximately central aperture X .
  • the projections 4 may be an integral part of the body 2.
  • the projections 4 have, arranged at their ends, anchoring means 10 which have a spherical shape.
  • the projections 4 are made to be resilient, while having shape memory.
  • the projections 4 and the body 2 are made of a biocompatible material, which is titanium and /or a titanium alloy.
  • the dental implant 1 (Fig. 3) is mounted in the jawbone 9 of the oral cavity, and comprises a body 2 with a profiled surface 3 for receiving a dental extension 7.
  • the body 2 comprises a base 5 and a part 6 for receiving a dental extension 7 on whose profiled surface 3 is a bracket 12 mounted in an aperture 1J. arranged in the base 5.
  • the projections 4 may be an integral part of the body 2.
  • the projections 4 have, arranged at their ends, anchoring means 10 which have a spherical shape.
  • the projections 4 are made to be resilient, while having shape memory.
  • the protrusions 4 and the body 2 are made of a biocompatible material, which is titanium and/or a titanium alloy.
  • a dental implant which can in particular be used as a means for fastening a dental prosthesis.

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)

Abstract

A dental implant, specifically a dental implant (1) comprising a body (2) having a shaped surface (3) for receiving a dental extension (7) arranged in the jawbone (9) of the oral cavity, which comprises at least one projection (4) mounted to its body (2).

Description

Dental Implant Technical Field
The invention relates to a dental implant, particularly to a dental implant arranged in a jawbone of the oral cavity.
State of the Art
Currently a whole range of constructed dental implants or implant systems which serve as substitutes for a missing or extracted tooth is known.
For example, from current state-of-the-art, implants are known which have a smooth connecting surface with the jawbone. This sort of implant is known, for example, from the patent EP 2328507. Here, the described dental implant has its head towards the tooth substitute and/or the means of dental treatment technology, and its foot threaded so as to screw into the jawbone. This dental implant is completely or nearly completely made of zirconium dioxide (Zr02), and the foot is threaded in the direction from its head portion towards the end opposite the head and is made to be conical and tapered. The thread has a completely or sectionally threaded edge which is made as a saw-toothed thread with the first cantilever surface not extending radially, specifically linearly or convexly diagonally to the radial direction, and a second radially extending cantilever surface for each saw-tooth, where the first cantilever surface does not extend radially and is always oriented or directed in the screwing direction of each thread and the second cantilever surface is oriented or directed against the screwing direction of each thread.
The disadvantage of this implant is that preliminary preparation requires a relatively exact and considerably large hole in the jawbone. A further disadvantage is that its primary fixation in the jawbone is not entirely stable.
Implant designs are also known which have a contact surface with the jawbone bearing various projections.
For example, a dental implant of bioactive titanium is known from the utility model CZ 11766 U. This dental implant contains a prism with parallel or bevelled opposite sides adjacent to the body tissue with the opposite sides of the prism fitted with at least two projections and with a threaded hole in the side wall of the prism. A dental implant for insertion into a supporting structure, specifically into the jawbone is also known from EP 1982673 to fasten the active component, in particular dental crowns with implants containing an insert. The implant is fitted with an interior recess, into which an insert can be set and this insert fitted into the interior recess and so pressing it into the supporting structure's retainers which are set into the wa!ls of the implant, and wherein the interior recess is formed to be tapered. The insert is designed as conical and passes through an axial bore into which a lengthwise screw can be inserted for attaching the active component element, or insert.
The disadvantage of both the above mentioned technical solutions is again that preliminary preparation requires a relatively exact and considerably large hole in the jawbone.
Currently, the most widely used implant systems are those which work using a screw-shaped dentaf implant.
For example, from patent EP 1706057 a denta! implant is known which is to be screwed with its parabolic main body featuring a self-tapping thread arrangement or even a multipoint arrangement fitted with at least two cutting notches, with a parabolic base thread and the upper portion positioned crowning the thread construction, with an opening shaped to accommodate screwing aids, and with a thread to make fast the fixing of dental crowns, bridges and such, as well as convex intraosseous parts, and optionally with a tapering section or a cap, wherein the sides of the thread are fitted with side threading at an angle of 20°.
From a further patent, EP 1924212, a two-piece dental implant is known which has a distal implant part and a proximal implant part which, when coupled together at the join of the connection and at the place of the connection features fastening areas facing the surface, with a sealing element provided between the facing surfaces of the distal portion of the implant and the proximal portion of the implant, which faces the surfaces that in the final coupled state of the two implant parts, lie tightly with their surfaces facing each other. Between the distal part of the implant and the proximal part of the implant, the implant is equipped with mutually facing stopping surfaces, which touch when completely assembled and which limit the degree of approximation of the two surfaces of the implant parts facing each other, between which a sealing element is fitted, so that the stopping surfaces define the minimum distance of both facing surfaces of the implant components, thus bridging the sealing element, when the sealing element at least partly consists of some elastic material. The exterior surface of the sealing element forms the exterior surface of the dental implant.
A Dental implant comprising a contact surface with the jawbone in the form of a screw is also known from EP 460960.
Even with the above mentioned dental implants which use a threaded screw to anchor the implement to the jawbone, the disadvantage is that preliminary preparation requires a relatively exact and considerably large hole in the jawbone.
Ail known and above noted dental implants or implant systems have a number of disadvantages, among which include, for example, that all require relatively complicated-and unpleasant for the patient- preparation of a hole to receive the implant which is then pushed, pulled through, or screwed into the jawbone. The preliminary preparation consists of drilling a pilot hole with the removal of a relatively large volume of bone. Another disadvantage of the current state-of-the-art is that new bone formation occurs only at the surface of the implant.
The aim of the invention is the design of a dental implant, which will require minimal preliminary preparation of the opening for its insertion, which will save the patient much pain and suffering, and which will ensure a precise and stable anchoring of prosthetic teeth in the jawbone.
Principle of the invention
The mentioned deficiencies are largely eliminated and the objectives of the invention fulfilled by a dental implant, specifically a dental implant comprising a body having a profiled surface to receive a dental extension fixed in a jawbone of the oral cavity, according to the invention whose principle consists in that it comprises at least one projection attached to its body. The projection rests in wall of the hole resulting from a tooth extraction or from pre-drilling of the jawbone, where the aperture is simply cleaned and only minimally adapted to receive the dental implant. The particular advantage is that this minimises the labor associated with the preparation of the space for its positioning, which also results in reduced costs and in particular, great relief to the patient.
In an advantageous variant, the dental implant comprises at least two projections attached to its body. The advantage is that the more projections, the better stabilised the dental implant is in a specified location. Preferably, its body also includes a base portion for receiving a dental extension.
The projection may be attached to any part of its body. For practical and production reasons it is advantageous if the projection is attached to the bottom part of the body base. This arrangement provides the possibility for easy application into the aperture in the jawbone.
It is also to advantage if the projection has an anchoring means arranged at its end, while in the most advantageous variant, the anchoring means is of spherical shape. The anchoring means improves the fixation properties and reduces the risk of tissue injury.
From the perspective of optimising anchoring functions, it is to advantage if the projection has shape memory, and to further advantage is designed as a spring.
From the viewpoint of problem-free acceptance of the dental implant by the patient's body, it is also to advantage when the implant is made of a biocompatible materia! which is preferably titanium and / or an alloy thereof.
It is also very advantageous if the body of the dental implant comprises an aperture. Arranging an aperture in the dental implant enables the dentist intervention in case of any problems that may arise in the hole made in the jawbone, makes possible the application of augmentation material into the hole in the jawbone, and makes it possible for new bone formations to grow into the bottom of the base of the body of the implant.
To advantage, the part for receiving the dental extension has a bracket arranged at its base, which enables the exchange of a dental extension to the implant during application, and its replacement in future.
The advantage of the dental implant according to the invention is that it minimises the requirements for shape modification of the hole in the jawbone to receive it. The dental implant according to the invention easily adapts to the surrounding terrain. This closely relates to great savings of time and limited patient suffering associated with the large apertures for receiving dental implants according to known state-of-the-art. The dental implant, according to the invention, is furthermore very well adapted to internal stress in the body of the jaw during chewing so that no undesirable micro-fractures occur. The biggest advantage is that the dental implant allows for new bone formation throughout the lesion between the projections of the implant even in the hollow bottom of the upper part. The projections also increase surface area for osseointegration of the implant. In view of that mentioned above, the application of a dental implant according to the invention also significantly reduces demands on the amount of instrumentation.
Overview of the Figures
The invention will be further elucidated using drawings, in which Fig. 1 shows a view of a dental implant with a complete body, Fig. 2 shows a detailed view of a dental implant with a body which is arranged with an aperture, and Fig. 3 shows a detailed view of a dental implant using a bracket.
Examples of the Performance of the Invention
Example 1
The dental implant (Fig. 1) is mounted in the jawbone 9 of the oral cavity, and comprises a body 2 with a profiled surface 3 for receiving a dental extension 7.
The body 2 comprises a base 5 and a part 6 for receiving a dental extension 7.
To the lower part 8 of the base 5 of the body 2 a number of projections 4 are attached. Alternatively, the projections 4 may be an integral part of the body 2.
The projections 4 have, arranged at their ends, anchoring means 10 which have a spherical shape.
The projections 4 are made to be resilient, while having shape memory.
The projections 4 and the body 2 are made of a biocompatible material, which is titanium and/or a titanium alloy.
Example 2
The dental implant 1 (Fig. 2) is mounted in the jawbone 9 of the oral cavity, and comprises a body 2 with a profiled surface 3 for receiving a dental extension 7.
The body 2 comprises a base 5 and a part 6 for receiving a dental extension 7 through which passes an approximately central aperture X .
To the lower part 8 of the base 5 of the body 2 a number of projections 4 are attached. Alternatively, the projections 4 may be an integral part of the body 2.
The projections 4 have, arranged at their ends, anchoring means 10 which have a spherical shape.
The projections 4 are made to be resilient, while having shape memory. The projections 4 and the body 2 are made of a biocompatible material, which is titanium and /or a titanium alloy.
Example 3
The dental implant 1 (Fig. 3) is mounted in the jawbone 9 of the oral cavity, and comprises a body 2 with a profiled surface 3 for receiving a dental extension 7.
The body 2 comprises a base 5 and a part 6 for receiving a dental extension 7 on whose profiled surface 3 is a bracket 12 mounted in an aperture 1J. arranged in the base 5.
To the lower part 8 of the base 5 of the body 2 a number of projections 4 are attached. Alternatively, the projections 4 may be an integral part of the body 2.
The projections 4 have, arranged at their ends, anchoring means 10 which have a spherical shape.
The projections 4 are made to be resilient, while having shape memory.
The protrusions 4 and the body 2 are made of a biocompatible material, which is titanium and/or a titanium alloy.
Industrial Application
A dental implant, according to the invention, which can in particular be used as a means for fastening a dental prosthesis.
List of Reference Marks
1 dental implant
2 body
3 profiled surface
4 projection
5 base
6 part for receiving a dental extension
7 dental extension
8 bottom
9 jawbone
10 anchoring means
11 aperture
12 bracket

Claims

Patent claims
1. A dental implant, specifically a dental implant (1) comprising a body (2) with a profiled surface (3) for receiving a dental extension (7) arranged in the jaw bone (9) of the oral cavity, characterised by that it comprises at least one projection (4) attached to its body (2).
2. The dental implant according to claim 1 , characterised by that it comprises at least two projections (4) attached to its body (2).
3. The dental implant according to either one of the preceding claims, characterised by that the body (2) comprises a base (5) and a part (6) for receiving a dental extension (7).
4. The dental implant according to any of the preceding claims, characterised by that the projection (4) is attached to the bottom (8) of the base (5) of the body (2).
5. The dental implant according to any of the preceding claims, characterised by that the projection (4) has arranged at its end an anchoring means (10).
6. The dental implant according to claim 5, characterised by that the anchoring means (10) has a spherical shape.
7. The dental implant according to any of the preceding claims, characterised by that the projection (4) has shape memory.
8. The dental implant according to any of the preceding claims, characterised by that the projection (4) is designed as a spring.
9. The dental implant according to any of the preceding claims, characterised by that it is made of a biocompatible material.
10. The dental implant according to claim 9, characterised by that the biocompatible material is titanium and / or an alloy thereof.
11. The dental implant according to any of the preceding claims, characterised by that the body (2) comprises an aperture (11).
12. The dental implant according to any of the preceding claims 3 until 11, characterised by that the part (6) for receiving a dental extension (7) is a bracket (12) arranged in the base (5).
EP15715135.8A 2014-03-25 2015-03-17 Dental implant Active EP3137012B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2014-183A CZ305572B6 (en) 2014-03-25 2014-03-25 Dental implant
PCT/CZ2015/000021 WO2015144097A1 (en) 2014-03-25 2015-03-17 Dental implant

Publications (2)

Publication Number Publication Date
EP3137012A1 true EP3137012A1 (en) 2017-03-08
EP3137012B1 EP3137012B1 (en) 2019-02-13

Family

ID=52823405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15715135.8A Active EP3137012B1 (en) 2014-03-25 2015-03-17 Dental implant

Country Status (3)

Country Link
EP (1) EP3137012B1 (en)
CZ (1) CZ305572B6 (en)
WO (1) WO2015144097A1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2029346A1 (en) * 1969-01-20 1970-10-23 Martinelli Claude
CZ11766U1 (en) 2001-11-08 2001-11-29 Lasak S.R.O. Implant made of biologically active titanium
WO2003047455A1 (en) * 2001-12-03 2003-06-12 Cottrell Richard D Modified dental implant fixture
KR20040037967A (en) * 2002-10-31 2004-05-08 정필훈 Morphological Expanding Dental Implant
WO2006017995A1 (en) * 2004-08-18 2006-02-23 Boettcher Robert Screw-in enossal dental implant
PL1924212T3 (en) 2005-09-16 2012-09-28 Mehrhof Implant Tech Gmbh Two-part dental implant
AU2007301485B2 (en) * 2006-09-28 2012-09-06 Ogen Innovative Medical Devices Ltd. Orthopedic bone fixation
DE102007018198B3 (en) 2007-04-16 2008-10-23 Engesser, Urs Device for insertion into a support structure and its use
DE102008046027B3 (en) 2008-09-05 2009-12-31 Riedl, Ludwig, Dr. jaw implant
JP5815926B2 (en) * 2009-06-10 2015-11-17 株式会社ハイレックスコーポレーション Scaffold material and three-dimensional structure using the same
CN101947139B (en) * 2010-10-21 2013-10-23 赵大国 Bionic dental implant and abutment and seminal root thereof

Also Published As

Publication number Publication date
CZ2014183A3 (en) 2015-10-07
WO2015144097A1 (en) 2015-10-01
CZ305572B6 (en) 2015-12-16
EP3137012B1 (en) 2019-02-13

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